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Class 210/644 - Diffusing or passing through septum selective as to material of a component in liquid/liquid solvent or colloidal extraction


Subclass of Class 210 - Liquid purification or separation
Definition: Process in which a constituent of the liquid being treated
No. of patents: 289
Last issue date: 02/28/2012


1                
NumberTitleIssue Date
8123946Method and apparatus for removing metal sulphide particles from a liquid stream
The invention provides a method for removal of metal sulphide particles from a liquid stream comprising a solvent and metal sulphide particles, using a filter system comprising at least one membrane, the method comprising contacting the liquid stream with the membra...
02/28/2012
8110111Membrane contactor assisted extraction/reaction process employing ionic liquids
The present invention relates to a functionalized membrane contactor extraction/reaction system and method for extracting target species from multi-phase solutions utilizing ionic liquids. One preferred embodiment of the invented method and system relates to an extr...
02/07/2012
8021554Method and apparatus for liquid-liquid extraction
A Liquid-Liquid Extraction apparatus for extracting at least one species from a donor liquid solution (6) into at least one recipient liquid (8) is disclosed The apparatus comprises one or more cells comprising a cartridge (3) with an open macro...
09/20/2011
8002989Osmotic desalination process
An energy efficient desalination process that does not produce waste products involves the extraction of water from a first solution, such as seawater, by using a second concentrated solution to draw the water from the first solution across a semi-permeable membrane...
08/23/2011
7955506Process for dewatering an aqueous organic solution
An energy-efficient process for dewatering an aqueous organic solution includes using freely available solar energy to concentrate a draw solution within a reservoir. The draw solution is used in conjunction with a membrane to remove water from the organic solution ...
06/07/2011
RE42315Nanostructured separation and analysis devices for biological membranes
The present invention provides a nanostructured device comprising a substrate including nanotroughs therein; and a lipid bilayer suspended on or supported in the substrate. A separation method is also provided comprising the steps of supporting or suspending a lipid...
05/03/2011
7914680Systems and methods for purification of liquids
The present disclosure provides methods and systems for purifying liquids. In a particular implementation, the system includes a forward-osmosis unit for diluting a water source for a downstream desalination unit. A pretreatment unit may be located hydraulically ups...
03/29/2011
7901578Method and system for treating an aqueous stream in the production of hydrocarbon
A method and system for treating an aqueous stream in the production of hydrocarbon are provided. An osmotic operation is performed between the stream of produced water and a stream of draw fluid to transfer water from the produced water to the draw fluid, thereby d...
03/08/2011
7799225Membrane contactor assisted water extraction system for separating hydrogen peroxide from a working solution, and method thereof
The present invention relates to a membrane contactor assisted extraction system and method for extracting a single phase species from multi-phase working solutions. More specifically one preferred embodiment of the invention relates to a method and system for membr...
09/21/2010
7799226Separation of no-carrier-added thallium radionuclides from no-carrier-added lead and mercury radionuclides by dialysys
A process for separation of no-carrier-added thallium radionuclide from no-carrier-added lead and mercury comprising providing a solution of no-carrier-added thallium radionuclide and no-carrier-added lead and mercury to dialysis. By this method separation of 1...
09/21/2010
7758755Water treatment by dendrimer-enhanced filtration
Described herein are compositions and methods useful for the purification of water using dendritic macromolecules. The process involves using dendritic macromolecules (dendrimers) to bind to contaminants, and a filtration step to produce water from which contaminant...
07/20/2010
7560029Osmotic desalination process
An energy efficient desalination process that does not produce waste products involves the extraction of water from a first solution, such as seawater, by using a second concentrated solution to draw the water from the first solution across a semi-permeable membrane...
07/14/2009
7517455Liquid-liquid extraction system and method
A method of extracting ethanol from a feed solution using a liquid-liquid extraction system including an outer chamber and an inner chamber. The outer chamber is adapted to contain one of a feed solution and a liquid extractant and defines a containment region. The ...
04/14/2009
7427358Process for the recovery of tyrosol and hydroxytyrosol from oil mill wastewaters and catalytic oxidation method in order to convert tyrosol in hydroxytyrosol
A for preparing Tyrosol and/or Hydroxytyrosol from oil mill wastewaters. includes: a) Microfiltration (MF), Ultrafiltration (UF). Nanofiltration (NF) and Reverse Osmosis (RO) of the OMW; b) Separatio...
09/23/2008
7410585Apparatus and method for storing and releasing sulfur containing aromatic compounds from a fuel stream of an internal combustion engine
Disclosed is a fuel filter for removing sulfur containing compounds from an internal combustion fuel stream. In one embodiment, the fuel filter comprises at least one column comprising an adsorbent. In one exemplary embodiment the adsorbent is capable of removing su...
08/12/2008
7399414Wet oxidation with the aid of a porous catalytic contactor
A process for oxidation of oxidizable materials which are dissolved or suspended in a liquid phase. A contactor in the form of a porous membrane is used. The contactor is designed such that an oxidizing phase flows along one surface thereof while the phase to be oxi...
07/15/2008
7368056Production of potable liquids
Water-desalination and/or water purification devices. Alternatively, devices that are implantable in animal bodies, possibly configured as self-inflating spinal disc prostheses. The devices include specified types of water-absorbing solute encapsulated by non-porous...
05/06/2008
7364563Continuous volume detection for a flexible venous reservoir in a cardiopulmonary bypass circuit
A continuous volume detection system for a flexible venous reservoir in a cardiopulmonary bypass circuit is described. The volume detection system is based on a pressure measurement that is manipulated via application of fluid mechanics. Next-generation cardiopulmon...
04/29/2008
7361211Moisture exchange module having a bundle of moisture-permeable hollow fibre membranes
A moisture exchange module has a bundle of moisture-permeable hollow fiber membranes and at least one line element for supplying a gas stream that flows through the hollow fibers in an inner flow. The at least one line element opens out into an inflow region, which ...
04/22/2008
7347942Cyclic aeration system for submerged membrane modules
An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v...
03/25/2008
7341663Spiral-wound liquid membrane module for separation of fluids and gases
The present invention is a filtering and chemical separation device that performs the operations of solvent extraction and pervaporation in a single piece of equipment, configured as a spiral-wound membrane module, and provides for the replenishment of the solvent i...
03/11/2008
7338603Process using rare earths to remove oxyanions from aqueous streams
Oxyanions of various contaminant elements, such as chromium, antimony, molybdenum, tungsten, vanadium and uranium, are removed from water and other aqueous feeds by treating the feed with (1) a sorbent comprising one or more rare earth compounds, usually mixed or su...
03/04/2008
7335334Active air removal from an extracorporeal blood circuit
A disposable, integrated extracorporeal blood circuit employed during cardiopulmonary bypass surgery performs gas exchange, heat transfer, and microemboli filtering functions in a way as to conserve volume, to reduce setup and change out times, to eliminate a venous...
02/26/2008
7329962Hydrocratic generator
A mixing apparatus for mixing relatively low salinity fluid with relatively high salinity fluid comprises a housing having an upper end and a lower end, a fluid inlet at or near the lower end, and a fluid outlet at or near the upper end, wherein the relatively high ...
02/12/2008
7329310Filter module
The invention relates to a filter module having a module housing and at least one filter element. The filter module has at least one inlet opening, at least one filtrate outlet and a module housing having at least one joint line. ...
02/12/2008
7323033Nanostructured surfaces having variable permeability
A nanostructured substrate is disclosed having a plurality of substrate openings disposed between the nanostructures on the substrate. When a desired fluid comes into contact with the substrate, at least a portion of the fluid is allowed to pass through at least one...
01/29/2008
7316728Method and apparatus for treating fluids
The present invention is directed to an apparatus for combining a component from a fluid composition with a reactive fluid. The apparatus includes a hollow fiber contactor (142) having a plurality of hollow fibers contained within a housing. A reactive fluid ...
01/08/2008
7314504Porous gas permeable material for gas separation
A gas separator, a method for producing the gas separator, and a method for separating gases based on a property of inelasticity of the gases. The inventive gas separator is a permeable porous material for separating a mixture of gases by selectable pore size exclus...
01/01/2008
7311831Filtration membrane and method of making same
A filtration membrane and method of making the same wherein the filtration membrane comprises obstructions and/or spacers. ...
12/25/2007
7309385Efficient 3-D nanostructured gas separation membranes
There is provided a high efficient gas separation membrane of two or more layers, which comprises a separating layer of 3-dimensional nanostructure and a supporting layer, wherein the 3-dimensional nanostructure can maximize a surface area per unit permeation area.
12/18/2007
7303674Forward osmosis pressurized device and process for generating potable water
There is disclosed a process and device for Forward Osmosis (FO) Pressurized Device (FOPD) in general and one hydraulically coupled to a reverse osmosis (RO device for a FOPRO (Forward Osmosis Pressurized Reverse Osmosis). Specifically, there is disclosed a passive ...
12/04/2007
7297277Method for purifying a dry cleaning solvent
A method for purifying dry cleaning solvents containing laundry soils. The method employs membrane filtration to enhance the separation of the contaminants from the dry cleaning solvent. ...
11/20/2007
7285209Method and apparatus for separating emulsified water from hydrocarbons
The invention discloses an apparatus for filtration of water from hydrocarbons comprised of a fresh-feed inlet, a first dead end filter, that is hydrophobic, a second sweeping-flow filter, that is hydrophobic, a common housing containing both the first and second fi...
10/23/2007
7285219Chromatographic separation member and method
There is described a chromatographic separation member including a substrate carrying on at least one surface a thin layer of a chromatographically active capture material. Also described is a chromatographic separation method for separating a component of interest ...
10/23/2007
7276163Membrane devices with controlled transmembrane pressure and method of use
A crossflow membrane device that receives a feedstock at a feed end face and separates the feedstock into permeate and retentate. The device has a membrane support containing at least one monolith of porous material defining a plurality of passageways extending long...
10/02/2007
7255725Porous inorganic membrane containing carbon; a process for its preparation; and use thereof
A porous inorganic membrane comprises at least one inorganic phase having separating properties. Said membrane has a carbon content representing 0.05% to 25% by weight with respect to the mass of said inorganic phase and is selective to non-condensable gases. It is ...
08/14/2007
7255792Method for modifying an organic composition
There is provided a process for modifying a first organic composition comprising (i) at least one first solvent, (ii) at least one solute, and (iii) optionally, at least one second solvent to produce a modified organic composition in which the concentration of the a...
08/14/2007
7239037Hydrocratic generator
A mixing apparatus for mixing relatively low salinity fluid with relatively high salinity fluid comprises a housing having an upper end and a lower end, a fluid inlet at or near the lower end, and a fluid outlet at or near the upper end, wherein the relativel...
07/03/2007
7226540MEMS filter module
Various MEMS filter elements or modules are disclosed. One such MEMS filter module (34) includes a first film (70) and a second film (46) that are spaced and interconnected by a plurality of supports (78). A plurality of first flow ports ...
06/05/2007
7204958Extracorporeal blood circuit air removal system and method
A disposable, integrated extracorporeal blood circuit employed during cardiopulmonary bypass surgery performs gas exchange, heat transfer, and microemboli filtering functions in a way as to conserve volume, to reduce setup and change out times, to eliminate a blood ...
04/17/2007
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